Injection device



FIG. 1 is a front view of an injection device showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines represent structure or features which form no part of the claimed design. 

CLAIM The ornamental design for an injection device, as shown and described. 